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<html lang="en">

<head>
    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div class="list" style="display: flex;text-align: center;">
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    <button class="prev">上一页</button>
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<script src="../promise-ajax.js"></script>
<script>
    var page = 1; //保存当前页码

    var on = document.querySelector('.prev');
    var down = document.querySelector('.next');

    on.onclick = function () {
        if (page > 1) {
            ajax('get', `https://yantianfeng.com/api/emotion`, { page: ++page, count: 10 }).then((data) => {
                var str = data.emotions.map((item, index) => {
                    return `<div><img src="${item.url}"/></div>`
                }).join('')
                // 渲染表情
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                var str = data.emotions.map((item, index) => {
                    return `<div><img src="${item.url}"/></div><div>${item.title}</div>`
                }).join('')
                // 渲染表情
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